Prelude No. 1 in E minor for Guitar

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
DEN961201080
CopyrightID (CopyrightChains transaction hash)
0x49b90f99c8ec2ed05d1b1fd18d592a0dec4d949e3195aa2d7ec7e5b832d63991
Copyright registration time
2026-06-27T15:22:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d0a6a66bc72e232e7cf7897c5f0ce8a158a94de51aabae5f73718fe7ee1c31ef

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.